A.A continuous sounding with any fog signal apparatus
B.A signal sent by radiotelephone consisting of the spoken word Mayday
C.An International Code Signal of N.C
D.The firing of green star rockets or shells
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A.a distinctive signal
B.the Morse Code signal for SOS
C.a computerized voice announcement of Mayday
D.your vessel's International Radio Call Sign
A.Control bleeding
B.Reduce pain
C.Immobilize a fracture
D.Reset the bone
A.An amount equal to the depth of the water
B.Two times the depth of water
C.Three to four times the depth of water
D.Five to seven times the depth of water
A.Carbon disulfide
B.Ethyl alcohol
C.Isoprene
D.Oleum
A.distance
B.largeness
C.diameter
D.measurerment
最新試題
PAN-PAN repeated three times over the radiotelephone indicates which type of message will follow?（）
Tripping defects in anchors frequently occur in（）.
What is the（）of the turning circle in mavoeuvring?
The radiotelephone safety message urgently concerned with safety of a person would be prefixed by the word（）.
To prevent a wooden hull from leaking you caulk it（）.
To develop maximum anchor holding power，the optimum angle between the anchor’s shank and the mooring lines is（）.
What is normally used to pass a mooring line to a dock?（）
The towing light is a(n)（）.
When testing a Class A EPIRB you will know the EPIRB is working properly if you hear on 99.5 Mhz FM or any vacant frequency on a nearby AM radio（）.
What does the term TO NAVIGATE WITH CAUTION mean?（）.